Method for determining power control parameter and terminal

Abstract

A method for determining a power control parameter and a terminal. The method includes: in a case that no target parameter has been configured in power control parameters of a target object, determining a target parameter of the target object in any one of the following manners: determining, based on a target parameter of another object configured by a network device, the target parameter of the target object, where the another object is different from the target object; determining, based on a historical configuration, the target parameter of the target object; and determining, based on protocol specification, the target parameter of the target object; where the target object and the another object are selected from a physical uplink control channel PUCCH, a physical uplink shared channel PUSCH, and a sounding reference signal SRS.

What is claimed is: 
     
         1 . A method for determining a power control parameter, applied to a terminal and comprising:
 in a case that no pathloss reference reference signal of a sounding reference signal (SRS) has been configured,   determining, based on protocol specification, the pathloss reference reference signal of the SRS;   wherein the determining, based on protocol specification, the pathloss reference reference signal of the SRS comprises:   determining a first RS from configured downlink reference signals RSs as the pathloss reference reference signal;   wherein the first RS is a downlink RS in quasi co-location (QCL) information associated with the SRS;   wherein the SRS is located in a first carrier, and the downlink RS in the quasi co-location (QCL) information associated with the SRS comprises:
 in a case that the first carrier is configured with no CORESET, and that an active bandwidth part (BWP) of the first carrier is configured with M transmission configuration indicators (TCIs) for PDSCH, a downlink RS in a first TCI, wherein the first TCI is a TCI with the lowest identification number in the M TCIs, the M TCIs are in an active state, wherein M is a positive integer. 
   
     
     
         2 . The method according to  claim 1 , wherein the method further comprises:
 in a case that the first carrier is configured with control resource sets (CORESETs), the downlink RS in the quasi co-location (QCL) information associated with the SRS comprises a downlink RS in QCL information of a first CORESET, wherein the first CORESET is one of the CORESETs configured for the first carrier.   
     
     
         3 . The method according to  claim 2 , wherein the first CORESET comprises any one of the following:
 a CORESET configured for the first carrier on a most recent occasion; and   a CORESET with identification number 0 in the CORESETs configured for the first carrier.   
     
     
         4 . The method according to  claim 3 , wherein the CORESET configured for the first carrier on a most recent occasion comprises:
 a CORESET with the lowest identification number or the highest identification number in the CORESETs configured for the first carrier on a most recent occasion.   
     
     
         5 . The method according to  claim 2 , wherein the downlink RS in the QCL information of the first CORESET comprises:
 a second RS in N1 downlink RSs, wherein N1 is a positive integer, and the N1 downlink RSs are associated with a CORESET configured for an active BWP of the first carrier.   
     
     
         6 . The method according to  claim 5 , wherein the second RS comprises any one of the following:
 a RS with the lowest identification number or the highest identification number;   in a case that the downlink RS comprises SSBs and CSI-RSs, a SSB with the lowest identification number or the highest identification number, wherein a priority of the SSB is higher than that of the CSI-RS;   in a case that the downlink RS comprises SSBs and CSI-RSs, a CSI-RS with the lowest identification number or the highest identification number, wherein a priority of the SSB is lower than that of the CSI-RS; and   a RS that is randomly selected from the N1 downlink RSs.   
     
     
         7 . A terminal, comprising a memory, a processor, and a program stored in the memory and capable of running on the processor, wherein when the program is executed by the processor, the following steps are implemented:
 in a case that no pathloss reference reference signal of a sounding reference signal (SRS) has been configured,   determining, based on protocol specification, the pathloss reference reference signal of the SRS;   wherein the determining, based on protocol specification, the pathloss reference reference signal of the SRS comprises:   determining a first RS from configured downlink reference signals RSs as the pathloss reference reference signal;   wherein the first RS is a downlink RS in quasi co-location (QCL) information associated with the SRS;   wherein the SRS is located in a first carrier, and the downlink RS in the quasi co-location (QCL) information associated with the SRS comprises:
 in a case that the first carrier is configured with no CORESET, and that an active bandwidth part (BWP) of the first carrier is configured with M transmission configuration indicators (TCIs) for PDSCH, a downlink RS in a first TCI, wherein the first TCI is a TCI with the lowest identification number in the M TCIs, the M TCIs are in an active state, wherein M is a positive integer. 
   
     
     
         8 . The terminal according to  claim 7 , wherein when the program is executed by the processor, the following steps are further implemented:
 in a case that the first carrier is configured with control resource sets (CORESETs), the downlink RS in the quasi co-location (QCL) information associated with the SRS comprises a downlink RS in QCL information of a first CORESET, wherein the first CORESET is one of the CORESETs configured for the first carrier.   
     
     
         9 . The terminal according to  claim 8 , wherein the first CORESET comprises any one of the following:
 a CORESET configured for the first carrier on a most recent occasion; and   a CORESET with identification number 0 in the CORESETs configured for the first carrier.   
     
     
         10 . The terminal according to  claim 9 , wherein the CORESET configured for the first carrier on a most recent occasion comprises:
 a CORESET with the lowest identification number or the highest identification number in the CORESETs configured for the first carrier on a most recent occasion.   
     
     
         11 . The terminal according to  claim 8 , wherein the downlink RS in the QCL information of the first CORESET comprises:
 a second RS in N1 downlink RSs, wherein N1 is a positive integer, and the N1 downlink RSs are associated with a CORESET configured for an active BWP of the first carrier.   
     
     
         12 . The terminal according to  claim 11 , wherein the second RS comprises any one of the following:
 a RS with the lowest identification number or the highest identification number;   in a case that the downlink RS comprises SSBs and CSI-RSs, a SSB with the lowest identification number or the highest identification number, wherein a priority of the SSB is higher than that of the CSI-RS;   in a case that the downlink RS comprises SSBs and CSI-RSs, a CSI-RS with the lowest identification number or the highest identification number, wherein a priority of the SSB is lower than that of the CSI-RS; and   a RS that is randomly selected from the N1 downlink RSs.   
     
     
         13 . A non-transitory computer-readable storage medium, wherein the computer-readable storage medium stores a computer program, and when the computer program is executed by a processor, the following steps are implemented:
 in a case that no pathloss reference reference signal of a sounding reference signal (SRS) has been configured,   determining, based on protocol specification, the pathloss reference reference signal of the SRS;   wherein the determining, based on protocol specification, the pathloss reference reference signal of the SRS comprises:   determining a first RS from configured downlink reference signals RSs as the pathloss reference reference signal;   wherein the first RS is a downlink RS in quasi co-location (QCL) information associated with the SRS;   wherein the SRS is located in a first carrier, and the downlink RS in the quasi co-location (QCL) information associated with the SRS comprises:
 in a case that the first carrier is configured with no CORESET, and that an active bandwidth part (BWP) of the first carrier is configured with M transmission configuration indicators (TCIs) for PDSCH, a downlink RS in a first TCI, wherein the first TCI is a TCI with the lowest identification number in the M TCIs, the M TCIs are in an active state, wherein M is a positive integer. 
   
     
     
         14 . The non-transitory computer-readable storage medium according to  claim 13 , wherein when the computer program is executed by the processor, the following steps are further implemented:
 in a case that the first carrier is configured with control resource sets (CORESETs), the downlink RS in the quasi co-location (QCL) information associated with the SRS comprises a downlink RS in QCL information of a first CORESET, wherein the first CORESET is one of the CORESETs configured for the first carrier.   
     
     
         15 . The non-transitory computer-readable storage medium according to  claim 14 , wherein the first CORESET comprises any one of the following:
 a CORESET configured for the first carrier on a most recent occasion; and   a CORESET with identification number 0 in the CORESETs configured for the first carrier.   
     
     
         16 . The non-transitory computer-readable storage medium according to  claim 15 , wherein the CORESET configured for the first carrier on a most recent occasion comprises:
 a CORESET with the lowest identification number or the highest identification number in the CORESETs configured for the first carrier on a most recent occasion.   
     
     
         17 . The non-transitory computer-readable storage medium according to  claim 14 , wherein the downlink RS in the QCL information of the first CORESET comprises:
 a second RS in N1 downlink RSs, wherein N1 is a positive integer, and the N1 downlink RSs are associated with a CORESET configured for an active BWP of the first carrier.   
     
     
         18 . The non-transitory computer-readable storage medium according to  claim 17 , wherein the second RS comprises any one of the following:
 a RS with the lowest identification number or the highest identification number;   in a case that the downlink RS comprises SSBs and CSI-RSs, a SSB with the lowest identification number or the highest identification number, wherein a priority of the SSB is higher than that of the CSI-RS;   in a case that the downlink RS comprises SSBs and CSI-RSs, a CSI-RS with the lowest identification number or the highest identification number, wherein a priority of the SSB is lower than that of the CSI-RS; and   a RS that is randomly selected from the N1 downlink RSs.